Decimals & Standard Form (AQA A-Level Biology): Quizzes

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Decimals & Standard Form
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What is standard form also known as?

Scientific notation

In standard form a×10na \times 10^n, what range must 'a' be between?

1 and 10

What is 58,900,000,000 in standard form?

5.89×10105.89 \times 10^{10}

What is 0.0000078 in standard form?

7.8×1067.8 \times 10^{-6}

What does a negative exponent in standard form indicate?

Original number was smaller than 1

Which direction does the decimal point move for positive powers of ten?

Right

What is the coefficient when converting 58,900,000,000 to standard form?

5.89

What order of magnitude represents the size of atoms in metres?

101010^{-10}

How many places does the decimal point move per power of ten?

One place

What is 1000 written in standard form?

1×1031 \times 10^3

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